| unperturbed(adjective, calm, quiet, cool, easy) |
| even-tempered(adjective, calm, quiet, smooth, easy) |
| nonchalant(adjective, feature, state, calm, quiet) |
| easy(adjective, feature, state, calm, quiet) |
| restful(adjective, calm, quiet, cool, secure) |
| unflappable(adjective, calm, quiet, cool, moderate) |
| mild(adjective, feature, state, calm, quiet) |
| quiescent(adjective, calm, quiet, cool, smooth) |
| smooth(adjective, calm, quiet, light, cool) |
| equable(adjective, calm, quiet, cool, kind) |
| gentle(adjective, calm, quiet, light, cool) |
| impassive(adjective, calm, quiet, cool, moderate) |
| cool-headed(verb, adjective, calm, quiet, cool) |
| halcyon(adjective, calm, quiet, cool, smooth) |
| controlled(adjective, unexcitable) |
| self-controlled(adjective, calm, close, quiet, gentle) |
| sober(adjective, calm, dull, quiet, cool) |
| patient(verb, adjective, calm, quiet, cool) |
| confident |
| easy-going(adjective, feature, state, calm, quiet) |